Daily Sunspot Evaluation
Observation Sheet Wednesday, 6 May 1987
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 6
- Relative number (R)
- 36
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19870506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | -23 | 03E | 178 | 03E | 2 | 26 |
| 2 | ARX – 1 | -29 | 54E | 127 | 54E | 0.5 | 28 |
| 3 | DKO – 4 | -32 | 61E | 120 | 61E | 10 | 29 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.